Changes on website SP 2

Website link: <[login to view URL]> We want changes: 1) in thumbnails gallery scroll have not scrollbar, only scroll. We want add scrollbar. 2) Horizontally scroll in large image gallery have dark grey color. We want change to light grey color. Also we want same light grey for scroll on thumbnails page. 3) When we open large images in any section at the top possible see only selected section, other section as rollover. We want always show all sections. 4) Change current intro page to new ( in attachment ). New enter button must transparent as rollover with mouse. 5) Change logotype Framework of website: Mootools Attachment with examples: <[login to view URL]> Terms and conditions: <[login to view URL]> [][1]